Avernes () is a commune in the Val-d'Oise department in Île-de-France in northern France. On 1 January 2018, the former commune of Gadancourt was merged into Avernes.

Population

Population data refer to the area corresponding with the commune as of January 2025.

See also

• Communes of the Val-d'Oise department

References

External links

• Association of Mayors of the Val d'Oise